TC4028BP_07 Datasheet, PDF (2/9 Pages) Toshiba Semiconductor – BCD-to-Decimal Decoder

Truth Table
Inputs
D
C
B
L
L
L
L
L
L
L
L
H
L
L
H
L
H
L
L
H
L
L
H
H
L
H
H
H
L
L
H
L
L
H
L
H
H
L
H
H
H
L
H
H
L
H
H
H
H
H
H
H = High level
L = Low level
Logic Diagram
TC4028BP/BF/BFN
Outputs
A
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9
L
H
L
L
L
L
L
L
L
L
L
H
L
H
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
H
L
H
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
2
2007-10-01